HLAS Small caliber single seat angle regulating valveDetailed product description：

The HLAS small caliber single seat angle regulating valve has a compact structure, large flow rate, wide adjustable range, high flow characteristic accuracy, and complies with the IEC534-1-1976 standard. The leakage rate of the regulating valve meets the ANSIB16.104 standard. The regulating valve is equipped with a multi spring thin film actuator, which has a compact structure and high output force.
This product complies with GB/T4213-92.

Technical parameters and performance indicators of HLAS small caliber single seat angle regulating valve
Valve body
Type: Angle type single seat cast spherical valve
Nominal diameter 20, 25mm
Nominal pressure ANSI 125, 150, 300, 600 JIS10, 16, 20, 30, 40K PN1.6, 4.0, 6.4MPa
Connection type: flange connection: FF, RF, RJ, LG, groove type, embedded type
Flange standards: JIS B2201-1984, ANSI B16.5-1981, JB79-59, etc
Welding connection: embedded welding SW
Material: Cast Steel (ZG230-450)
Cast stainless steel (ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, ZG316L), titanium, etc
Upper valve cover room temperature type (P): -17~+230 ℃ elongation type I (E Ⅰ): -45~-17 ℃+230~+566 ℃
Elongation type II (EII): -100~-45 ℃ Elongation type III (EIII): -196~-100 ℃
Note: The working temperature shall not exceed the allowable range of various materials
Cap type bolt compression type
V-shaped PTFE packing, PTFE impregnated asbestos packing, asbestos braided packing, graphite packing
Valve components
Valve core type: single seat plunger valve core
Material Stainless Steel (1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti, 17-4PH, 9Cr18, 316L)
Stainless steel overlay welding with Si Tai Lai alloy, titanium, and corrosion-resistant alloys, etc
actuator
Type HA multi spring thin film actuator
Diaphragm material nitrile rubber clip nylon cloth
Spring range 20-100, 80-240kPa
Gas supply pressure: 140-400kPa
Air source interface Rc 1 4
Environmental temperature -30~+70 ℃

Valve action type: gas closed or gas open
Attachment locator, air filter pressure reducer, holding valve, travel switch, valve position transmitter, handwheel mechanism, etc
performance
Leakage metal valve seat: less than 0.01% of the rated capacity of the valve, in compliance with ANSI B16.104-1976 Class IV
Soft seat: 10-7 less than the rated capacity of the valve, in compliance with ANSI B16.104-1976 Class VI
Return differential locator: less than 1% of the full stroke
Without locator: less than 3% of the full stroke
Basic error band locator: less than ± 1% of the full stroke
Without locator: less than ± 5% of the full stroke
Note: When using standard V-shaped polytetrafluoroethylene packing